 | | Journal (article/letter/editorial) | | CORDIERITE ā ANTHOPHYLLITE ā CUMMINGTONITE ROCKS FROM THE LAR DEPOSIT, LAURIE LAKE, MANITOBA SALLY R. ELLIOTT-MEADOWS...Saskatchewan S7N 4G8 EDGAR FROESEĀ§ Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8 EDWARD...cordieriteāanthophyllite characterizes the alteration zone of the Lar CuāZn deposit in the Lynn Lake volcanic...volcanic belt, in Manitoba; in some altered rocks, cummingtonite is present as well. Under appropriate pressureātemperature...colinearity in the composition of cordierite, anthophyllite and cummingtonite, in the presence of quartz |  | | Journal (article/letter/editorial) | | AlterationGeochemistryand Petrologyof the Lar Cu-Zn Deposit, Lynn Lake Area, Manitoba, Canada SALLY R. ELLIOTT-MEADOWS*...Waterloo,Waterloo,Ontario,CanadaN2L 3G1 Abstract The Lar depositis a stratiformCu-Zn volcanogenic massive...ockslocatedabout 60 km southwest of LynnLake,Manitoba,withinthe southernarmof the LynnLakegreenstone...enrichmenttypified by a coarse-grained, hornfelsic-textured anthophyllite-cordierite ___ garnet assemblage, envelopedby...Introduction THE Lar property is locatedabout60 km southwest of Lynn Lake, Manitoba,just northof the |  | | Journal (article/letter/editorial) | | 2005, 17, 57-68 Metamorphic evolution of anthophyllite/cummingtonite-cordierite rocks from the upper...assemblage containing sillimanite, staurolite and anthophyllite, which are found as microinclusions in cordierite...matrix by a medium to low-pressure assemblage of anthophyllite, cordierite and garnet. The second type is represented...uppermost unit of the Ordenes Complex, in which the anthophyllite-cummingtonite rocks are located, appears to...process. Key-words: metamorphic evolution, anthophyllite, cummingtonite, cordierite, low-Ca amphibolites |  | | Journal (article/letter/editorial) | | 640ā651, 2001 Thermodynamics of the amphiboles: Anthophyllite-ferroanthophyllite and the ortho-clino phase...heat-treated anthophyllite, new measurements of the optical indicatrix of anthophyllite, and previously...data from Mƶssbauer spectroscopy of heated anthophyllite, show that temperature-dependent long-range...the M-sites of cummingtonite-grunerite and anthophyllite may be considered identical for the purpose...ferroanthophyllite are derived from those already known for anthophyllite and grunerite respectively, using intercrystalline |  | | Journal (article/letter/editorial) | | lens-shaped bodies composed of gedrite and sparse anthophyllite, T oligoclase (An13-An20), biotite, magnetite...(Volkert, 2004). A-type granites of the Byram and Lake Hopatcong Intrusive Suites were emplaced at ca....present in trace amounts in the samples analyzed. Anthophyllite exsolution lamellae in M host gedrite are...per formula unit, although a few analyses are anthophyllite that have 7.05-7.45 atoms of Si (Fig. 4). All...detected and Cl ranging from 0.01-0.02 wt.%. Anthophyllite, where present, forms exsolution lamellae in |  | | Journal (article/letter/editorial) | | the evolution of natural examples. Key words: anthophyllite; ferric iron; gedrite; NCKFMASHTO; pseudosection;...act, actinolite; als, aluminosilicate; anth, anthophyllite; bi, biotite; cd, cordierite; chl, chlorite;...diagnostic distinctions between gedrite and anthophyllite (Robinson et al., 1971, 1982; Stout, 1972; Spear... chloritoid, cordierite, staurolite, talc, anthophyllite, gedrite, cummingtonite, orthopyroxene, the...presented in Fig. 1. Although both gedrite and anthophyllite were considered in the calculations, only one |  | Bose, Sankar, Ghosh, Gautam, Kawaguchi, Kenta, Das, Kaushik, Mondal, Arnob Kumar, Banerjee, Aparupa (2021) Zircon and monazite geochronology from the Rengali-Eastern Ghats Province: Implications for the tectonic evolution of the eastern Indian terrane. Precambrian Research, 355. 106080pp. doi:10.1016/j.precamres.2020.106080 | Journal (article/letter/editorial) | | garnet (Grt) surrounded by cordierite (Crd) and anthophyllite (Ant) in sample RNG 602. (k) Photomicrograph...sample RNG 602 showing randomly oriented fibrous anthophyllite (Ant) with quartz (Qtz) and ilmenite (Ilm)....Chlorite (Chl) grains occur as replacement of anthophyllite. (l) Photomicrograph under PPL of sample RNG...Slender crystals of anthophyllite could be seen on the outcrop-scale. Apart from anthophyllite (47ā49 modal%)...cordierite and anthophyllite (Fig. 4j). Chlorite (<5 modal %) appears to replace garnet and anthophyllite along |  | | Journal (article/letter/editorial) | | composition of ļ¬uids involved in retrograde anthophyllite formation in the Limpopo Belt, South Africa...Cordieriteāanthophylliteācummingtonite rocks from the Lar Deposit; Laurie Lake, Manitoba. Canadian Mineralogist...common rocks as a possible source of cordieriteāanthophyllite bearing assemblages. American Journal of Science...Pauk, L., 1978. The petrology of cordieriteāanthophyllite gneisses and associated maļ¬c and Ć 2008 Blackwell...facies equivalents of the OrijaĢrvi cordieriteāanthophyllite rocks in West Uusimaa, southwest Finland. Lithos |  | | Report (volume) | | be communicated. Frank C. Hawthorne, Winnipeg, Canada Roberta Oberti, Pavia, Italy Giancarlo Della Ventura...Geological Sciences University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada frank_hawthorne@umanitoba.ca...information available on amphiboles of the anthophyllite-gedrite group. Hawthorne (1983a) synthesized...Schindler et al. (2007) reined the structures of 26 anthophyllite-gedrite amphiboles and examined the stereochemistry...more accurate relations are now available for anthophyllite-gedrite amphiboles. Amphiboles: Crystal Chemistry |  | | Journal (article/letter/editorial) | | Cordierite anthophyllite -cummingtonite rocks from the Lar Deposit; Laurie Lake, Manitoba. Can Min 38:545ā550...contact metamorphism in the aureole of the Makhavinekh Lake Pluton, Nain Plutonic Suite, Labrador. J Metamorph |  | | Book (edition) | | 102 Wollastonite 132 Amphibole group 137 171 AnthophylliteāGedrite, Cummingtoniteā Grunerite, TremoliteāFerro-actinolite...Science and Technology Mineralogical Association of Canada for ļ¬gures from The Canadian Mineralogist The Mineralogical...metasomatized limestone, Blue Bell Mine, British Columbia, Canada (Mossman, D.J. & Pawson, D.J., 1976, Can. Min....metamorphism of the Biwabik IronFormation, East Mesabi district, Minnesota. Memoir of the Geological Society of...Dark red-brown zircon, North Burgess, Ontario, Canada (Palache, C. & Ellsworth, H.V., 1928, Amer. Min |
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